®
X93254
Data Sheet
February 4, 2008
FN8186.1
Dual Digitally Controlled Potentiometers
(XDCPs™)
The Intersil X93254 is a dual digitally controlled
potentiometer (XDCP). The device consists of two resistor
arrays, wiper switches, a control section, and nonvolatile
memory. The wiper positions are controlled by individual
Up/Down interfaces.
A potentiometer is implemented by a resistor array
composed of 31 resistive elements and a wiper switching
network. The position of each wiper element is controlled by
a set of independent CS, U/D, and INC inputs. The position
of the wiper can be stored in nonvolatile memory and then
be recalled upon during a subsequent power-up operation.
Each potentiometer is connected as a two-terminal variable
resistor and can be used in a wide variety of applications
including:
• Bias and Gain control
• LCD Contrast Adjustment
Features
• Dual solid-state potentiometers
• Independent Up/Down interfaces
• 32 wiper tap points per potentiometer
- Wiper position stored in nonvolatile memory and
recalled on power-up
• 31 resistive elements per potentiometer
- Temperature compensated
- Maximum resistance tolerance of ± 30%
- Terminal voltage, 0 to V
CC
• Low power CMOS
- V
CC
= 3V ±10%
- Active current, 250µA max
- Standby current, 1µA max
• High reliability
- Endurance 200,000 data changes per bit
- Register data retention, 100 years
• R
TOTAL
value = 50k
Ω
Pinout
X93254
(14 LD TSSOP)
TOP VIEW
DNC*
R
L1
CS
1
INC
2
U/D
2
R
H2
V
SS
R
H1
U/D
1
INC
1
V
CC
CS
2
R
L2
DNC*
• 14 Ld TSSOP package
1
2
3
4
5
6
7
14
13
12
11
10
9
8
*Do not connect.
Ordering Information
PART NUMBER
X93254UV141-3
PART MARKING V
CC
LIMITS (V)
X9325 4UVE
3 ±10%
R
TOTAL
(kΩ)
50
TEMP
RANGE (°C)
-40 to +85
PACKAGE
14 Ld TSSOP
PKG DWG. #
M14.173
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or1-888-468-3774
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Intersil (and design) is a registered trademark of Intersil Americas Inc.
XDCP is a trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2005, 2008. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
INTERSIL [ INTERSIL CORPORATION ]
